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author | aszlig <aszlig@redmoonstudios.org> | 2017-04-20 00:22:31 +0200 |
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committer | aszlig <aszlig@redmoonstudios.org> | 2017-04-20 00:37:02 +0200 |
commit | e662e035f9ed4d125c7534bc65e01fc73a0b0f62 (patch) | |
tree | 0549a35cc251aa0262c21c67df9da145d1590151 /README.md | |
parent | 0602b9d1943591d1ee9b056fca7919af8696d599 (diff) |
nixos/systemd-boot-builder: Don't write .pyc files
This has surfaced since d990aa716327abb018e8352dcf7ba2fcfb4fc34c.
The "simpleUefiGummiboot" installer test fails since this commit,
because that commit introduced a small check to verify whether the store
was altered.
While installing NixOS for the first time, the store is usually in
/mnt/nix/store and without the read-only bind mount that's preventing
programs from altering the store.
So after nixos-install is done creating the system closure and setting
it as the active system profile, the bootloader is written from the
closure inside the chroot. The systemd-boot-builder is invoked during
this step, which adds .pyc files for various Python modules of the
Python 3 store path, which in turn invalidates the hash of the Python 3
store path itself.
At the time the system is booted up again, the nix-store is verified and
fails with something like this:
path /nix/store/zvm545rqc4d97caqq9h7344bnd06jhzb-python3-3.5.3 was
modified! expected hash
b2c975f4b8d197443fbb09690fb3f6545e165dd44c9309d7d6df2fce0579ebeb, got
bccca19f39c9d26d857ccf1fb72818b2b817967e6d497a25a1283e36ed0acf01
Running the interpreter with the -B argument prevents Python from
writing those byte code files:
https://docs.python.org/3/using/cmdline.html#cmdoption-B
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Diffstat (limited to 'README.md')
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